Module that provides a common way for plugin authors to implement "is ... " traits (object behaviors that can be shared)
A common interface to activate plugins for a resource. For instance:
class Widget
include DataMapper::Resource is :list
end
adds list item behavior to the model. Plugin that wants to conform to "is API" of DataMapper must supply is_+behavior name+ method, for example above it would be is_list.
@api public
# File lib/dm-core/model/is.rb, line 19 def is(plugin, *args, &block) generator_method = "is_#{plugin}".to_sym if respond_to?(generator_method) send(generator_method, *args, &block) else raise PluginNotFoundError, "could not find plugin named #{plugin}" end end
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